Shimano, Front Chainwheel, Fc-M311-L, For Rear 7/8-Speed, 170Mm, 42X32X22T For Hg-Chain, W/Chain Guard, Chain Case Compatible, Black

This Shimano Altus FC-M311-L front chainwheel is a 170mm crankset built for 7/8-speed drivetrains, with a 42/32/22-tooth ring configuration for HG-compatible chains. It includes an integrated chain guard for added drivetrain protection and is designed to be compatible with fully enclosed chain cases, making it well suited to commuter and utility bikes.